/** Constructor takes a CorpusArray and creates a sorted suffix array from it. */
public SuffixArray(CorpusArray corpusArray) {
this.corpus = corpusArray;
suffixes = new int[corpusArray.size()];
// Create an array of suffix IDs
for (int i = 0; i < corpusArray.size(); i++) {
suffixes[i] = i;
}
// Sort the array of suffixes
sort(suffixes);
this.hierarchicalPhraseCache = new Cache<Pattern, HierarchicalPhrases>(CACHE_CAPACITY);
}
/**
* Creates a string of the semi-infinite strings in the corpus array. Only use this on small
* suffixArrays!
*/
public String toString() {
String str = "";
for (int i = 0; i < suffixes.length; i++) {
Phrase phrase = corpus.getPhrase(getCorpusIndex(i), corpus.size());
str += phrase.toString() + "\n";
}
return str;
}
/** Implemented for the Corpus interface. */
public int getNumWords() {
return corpus.size();
}